Biology for IGCSE & O level - Reproduction (Section 7 - No. 1)

What are the main differences between sperm cells and egg cells?

Sperm cells are much smaller than egg cells.

Egg cells are non-motile while sperm cells are motile.

Sperm cells have fewer chromosomes than egg cells.

Egg cells contain more nutrients.

Sperm cells are smaller, motile, and designed to deliver genetic material, while egg cells are larger and provide nutrients for early development.